[PATCH 4/8] acpi: method: add checks for GCP, GRT, GWS

[Keng-Yu Lin]

On Thu, Sep 20, 2012 at 1:53 AM, Colin King <colin.king at canonical.com> wrote:
> From: Colin Ian King <colin.king at canonical.com>
>
> Signed-off-by: Colin Ian King <colin.king at canonical.com>
> ---
>  src/acpi/method/method.c |  109 +++++++++++++++++++++++++++++++++++++++++++---
>  1 file changed, 103 insertions(+), 6 deletions(-)
>
> diff --git a/src/acpi/method/method.c b/src/acpi/method/method.c
> index 8351abf..272b662 100644
> --- a/src/acpi/method/method.c
> +++ b/src/acpi/method/method.c
> @@ -100,18 +100,18 @@
>   * _FSL  11.3.1.3      Y
>   * _FST  11.3.1.4      Y
>   * _GAI  10.4.5                N
> - * _GCP  9.18.2                N
> + * _GCP  9.18.2                Y
>   * _GHL  10.4.7                N
>   * _GL   5.7.1         N
>   * _GLK  6.5.7         n/a
>   * _GPD  B.4.4         Y
>   * _GPE  5.3.1, 12.11  N
> - * _GRT  9.18.3                N
> + * _GRT  9.18.3                Y
>   * _GSB  6.2.6         N
>   * _GTF  9.8.1.1       N
>   * _GTM  9.8.2.1.1     N
>   * _GTS  7.3.3         deprecated
> - * _GWS  9.18.5                N
> + * _GWS  9.18.5                Y
>   * _HID  6.1.5         Y
>   * _HOT  11.4.6                Y
>   * _HPP  6.2.7         N
> @@ -1397,6 +1397,103 @@ static int method_test_LID(fwts_framework *fw)
>  /*
>   * Section 9.18 Wake Alarm Device
>   */
> +static void method_test_GCP_return(
> +       fwts_framework *fw,
> +       char *name,
> +       ACPI_BUFFER *buf,
> +       ACPI_OBJECT *obj,
> +       void *private)
> +{
> +       if (method_check_type(fw, name, buf, ACPI_TYPE_INTEGER) == FWTS_OK) {
> +               if (obj->Integer.Value & ~0xf) {
> +                       fwts_failed(fw, LOG_LEVEL_MEDIUM,
> +                               "Method_GCPReturn",
> +                               "_GCP returned %d, should be between 0 and 15, "
> +                               "one or more of the reserved bits 4..31 seem "
> +                               "to be set.",
> +                               (uint32_t)obj->Integer.Value);
> +                       fwts_tag_failed(fw, FWTS_TAG_ACPI_METHOD_RETURN);
> +               } else {
> +                       fwts_passed(fw,
> +                               "_GCP correctly returned sane looking "
> +                               "value 0x%8.8x", (uint32_t)obj->Integer.Value);
> +               }
> +       }
> +}
> +
> +static int method_test_GCP(fwts_framework *fw)
> +{
> +       return method_evaluate_method(fw, METHOD_OPTIONAL,
> +               "_GCP", NULL, 0, method_test_GCP_return, "_GCP");
> +}
> +
> +static void method_test_GRT_return(
> +       fwts_framework *fw,
> +       char *name,
> +       ACPI_BUFFER *buf,
> +       ACPI_OBJECT *obj,
> +       void *private)
> +{
> +       if (method_check_type(fw, name, buf, ACPI_TYPE_BUFFER) != FWTS_OK)
> +               return;
> +
> +       if (obj->Buffer.Length != 16) {
> +               fwts_failed(fw, LOG_LEVEL_MEDIUM,
> +                       "Method_GRTBadBufferSize",
> +                       "_GRT should return a buffer of 16 bytes, but "
> +                       "instead just returned %d\n",
> +                       (int)obj->Buffer.Length);
> +               fwts_tag_failed(fw, FWTS_TAG_ACPI_METHOD_RETURN);
> +               return;
> +       }
> +
> +       /*
> +        * Should sanity check this, but we can't read the
> +        * the data in this emulated mode, so ignore
> +        */
> +}
> +
> +static int method_test_GRT(fwts_framework *fw)
> +{
> +       return method_evaluate_method(fw, METHOD_OPTIONAL,
> +               "_GRT", NULL, 0, method_test_GRT_return, NULL);
> +}
> +
> +static void method_test_GWS_return(
> +       fwts_framework *fw,
> +       char *name,
> +       ACPI_BUFFER *buf,
> +       ACPI_OBJECT *obj,
> +       void *private)
> +{
> +       if (method_check_type(fw, name, buf, ACPI_TYPE_INTEGER) == FWTS_OK) {
> +               if (obj->Integer.Value & ~0x3) {
> +                       fwts_failed(fw, LOG_LEVEL_MEDIUM,
> +                               "Method_GWSReturn",
> +                               "_GWS returned %d, should be between 0 and 3, "
> +                               "one or more of the reserved bits 2..31 seem "
> +                               "to be set.",
> +                               (uint32_t)obj->Integer.Value);
> +                       fwts_tag_failed(fw, FWTS_TAG_ACPI_METHOD_RETURN);
> +               } else {
> +                       fwts_passed(fw,
> +                               "_GWS correctly returned sane looking "
> +                               "value 0x%8.8x", (uint32_t)obj->Integer.Value);
> +               }
> +       }
> +}
> +
> +static int method_test_GWS(fwts_framework *fw)
> +{
> +       ACPI_OBJECT arg[1];
> +
> +       arg[0].Type = ACPI_TYPE_INTEGER;
> +       arg[0].Integer.Value = 1;       /* DC timer */
> +
> +       return method_evaluate_method(fw, METHOD_OPTIONAL,
> +               "_GWS", arg, 1, method_test_GWS_return, "_GWS");
> +}
> +
>  static int method_test_STP(fwts_framework *fw)
>  {
>         ACPI_OBJECT arg[2];
> @@ -3136,9 +3233,9 @@ static fwts_framework_minor_test method_tests[] = {
>
>         /* Section 9.18 Wake Alarm Device */
>
> -       /* { method_test_GCP, "Check _GCP (Get Capabilities)." }, */
> -       /* { method_test_GRT, "Check _GRT (Get Real Time)." }, */
> -       /* { method_test_GWS, "Check _GWS (Get Wake Status)." }, */
> +       { method_test_GCP, "Check _GCP (Get Capabilities)." },
> +       { method_test_GRT, "Check _GRT (Get Real Time)." },
> +       { method_test_GWS, "Check _GWS (Get Wake Status)." },
>         /* { method_test_SRT, "Check _SRT (Set Real Time)." }, */
>         { method_test_STP, "Check _STP (Set Expired Timer Wake Policy)." },
>         { method_test_STV, "Check _STV (Set Timer Value)." },
> --
> 1.7.10.4
>
Acked-by: Keng-Yu Lin <kengyu at canonical.com>